/** 
 *  here the position of the given item will be set to the value in $pos
 *  @param object $moveitem
 *  @param int $pos
 *  @return boolean
 */
function feedback_move_item($moveitem, $pos)
{
    if ($moveitem->position == $pos) {
        return true;
    }
    if (!($allitems = get_records('feedback_item', 'feedback', $moveitem->feedback, 'position'))) {
        return false;
    }
    if (is_array($allitems)) {
        $index = 1;
        foreach ($allitems as $item) {
            if ($item->id == $moveitem->id) {
                continue;
            }
            //the moving item is handled special
            if ($index == $pos) {
                $moveitem->position = $index;
                feedback_update_item($moveitem);
                $index++;
            }
            $item->position = $index;
            feedback_update_item($item);
            $index++;
        }
        if ($pos >= count($allitems)) {
            $moveitem->position = $index;
            feedback_update_item($moveitem);
        }
        return true;
    }
    return false;
}

/**
 * here the position of the given item will be set to the value in $pos
 *
 * @global object
 * @param object $moveitem
 * @param int $pos
 * @return boolean
 */
function feedback_move_item($moveitem, $pos) {
    global $DB;

    $params = array('feedback'=>$moveitem->feedback);
    if (!$allitems = $DB->get_records('feedback_item', $params, 'position')) {
        return false;
    }
    if (is_array($allitems)) {
        $index = 1;
        foreach ($allitems as $item) {
            if ($index == $pos) {
                $index++;
            }
            if ($item->id == $moveitem->id) {
                $moveitem->position = $pos;
                feedback_update_item($moveitem);
                continue;
            }
            $item->position = $index;
            feedback_update_item($item);
            $index++;
        }
        return true;
    }
    return false;
}

    $newposition = $formdata->position;
    $formdata->position = $newposition + 1;
    if (!($newitemid = feedback_create_item($formdata))) {
        $SESSION->feedback->errors[] = get_string('item_creation_failed', 'feedback');
    } else {
        $newitem = get_record('feedback_item', 'id', $newitemid);
        if (!feedback_move_item($newitem, $newposition)) {
            $SESSION->feedback->errors[] = get_string('item_creation_failed', 'feedback');
        } else {
            redirect(htmlspecialchars('edit.php?id=' . $id));
        }
    }
}
if (isset($formdata->updateitem) and $formdata->updateitem == 1) {
    //update the item and go back
    if (!feedback_update_item($item, $formdata)) {
        $SESSION->feedback->errors[] = get_string('item_update_failed', 'feedback');
    } else {
        if (!feedback_move_item($item, $formdata->position)) {
            $SESSION->feedback->errors[] = get_string('item_update_failed', 'feedback');
        } else {
            redirect(htmlspecialchars('edit.php?id=' . $id));
        }
    }
}
////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////
/// Print the page header
$strfeedbacks = get_string("modulenameplural", "feedback");
$strfeedback = get_string("modulename", "feedback");
$buttontext = update_module_button($cm->id, $course->id, $strfeedback);